en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

(-2)^2-(-2)-1

Solution

(- 2)^{2} - (- 2) - 1

Solution

5

Solution steps

(- 2)^{2} - (- 2) - 1

Follow the PEMDAS order of operations

Calculate exponents

(- 2)^{2} : 4

(- 2)^{2}

Apply exponent rule:

(- a)^{n} = a^{n},

if

n

is even

(- 2)^{2} = 2^{2} = 4

= 4

= 4 - (- 2) - 1

Add and subtract (left to right)

4 - (- 2) - 1 : 5

4 - (- 2) - 1

Apply rule

- (- a) = + a

- (- 2) = + 2

= 4 + 2 - 1

4 + 2 = 6

= 6 - 1

6 - 1 = 5

= 5

= 5

Popular Examples

- 3 (- 2) + 5

(3 - 1)^{2} - 9

- 4 (- 2)^{3}

(14+37-3)\div 24-4^2

(14 + 37 - 3) \div 24 - 4^{2}

15-(4*3\div 2)+(7-2)*5

15 - (4 \cdot 3 \div 2) + (7 - 2) \cdot 5

Frequently Asked Questions (FAQ)

What is (-2)^2-(-2)-1 ?
The solution to (-2)^2-(-2)-1 is 5